Home / 199,301,007.10-298,951,510.65-147,644,941.90

Finding the Fourth Proportional to 199,301,007.10, 298,951,510.65 and 147,644,941.90

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Solution

The fourth proportional to 199,301,007.10, 298,951,510.65 and 147,644,941.90 is: 221,467,412.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,301,007.10 : 298,951,510.65 = 147,644,941.90 : x
  2. Step 2: Convert to fraction form
    199,301,007.10/298,951,510.65 = 147,644,941.90/x
  3. Step 3: Cross multiply
    199,301,007.10x = 298,951,510.65 × 147,644,941.90
  4. Step 4: Simplify right side
    199,301,007.10x = 44,138,678,420,836,480
  5. Step 5: Solve for x
    x = 44,138,678,420,836,480/199,301,007.10
  6. Step 6: Final answer
    x = 221,467,412.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.